小鸟在枝头快乐的歌唱

-Have you received my ________?-Yes.It reached me only twodays ago.A.answer letterB.answering letterC.reply letterD.letter in reply Have you received an e-mail message from Helen?----____________Really?no news is good newsA.YES,I have.B No,I haven't You have new mail!我在完型中看到这句话.mail不是可数名词吗?为什么这里you have new mail没有冠词 mail也没变复数? -Do you have msn?-Of course I have!Do you find I have added you My new mail is:这样回答是不是显得很没有礼貌?怎么中国式了呢？请你帮我改改！ 为什么佛教有万字而纳谇也是万字旗有什么联系 一袋氧气能吸多久 关于there is/there isn‘t和there are/there aren’t发音的区别我现在准备把听力好好搞一搞,在听北外的“中级英语听力”,我发现我很难听出来上述几个连读的情况,另外of基本听不出来,还有won't经常 地球上的氧气能够我们吸多久的?每人每天都吸入太多的氧气了! 用There is（isn't） 或 There are （aren't）填空A:Wow,we have so many things for dinner._____ any meat?B:Yes,_____._____ some chicken ,pork and beef,but _____ any fish.A:Good._____ any vegetables?B:Yes,_____ ._____ some potatoes,tomatoes and c 请用There is/are,There isn't/aren't,There was/were,There wasn't/were't.写出深南大道的变化用英语！ Please keep your eyes ______ (close \to close \closed) 选哪个? please keep your eyes closed.为什么要用closed.而不用close 如何理解,硫与变价金属反应生成低价金属硫化物,为什么会这样. 我知道硫和变价金属反应生成低价的金属硫化物,像与铁反应生成硫化亚铁,为什么与汞反应生成的是硫化汞却不是硫化亚汞呢?谢啦! 当化合物中含有低价的金属元素时……当化合物中含有低价的金属元素时,在命名时应在金属元素名称前加一“______”字,如“FeCl2”应读作______ Is your brother going to () to American?A visit,B arrive,C travel ,D meet be nice to american or we'll bring democracy to your country请教这句话怎么翻译 2.A terrible earthquake happened in that district at the end of 2004,_____many countries in .2.A terrible earthquake happened in that district at the end of 2004,_____many countries in the world paid close attention to it.A.that B.which C.when D.wher It’s been over two years ____a terrible earthquake happened in Wenchuan. a terrible earthquake happened in Japan _____ March.A.to B.on C.in D.at 谁有pchy的《close your eyes 》. close your eye 中文是什么 墙用英语怎么写kghp I'm going to sell American food（划线是 American food）划线提问答案是Which country’s food are you going to sell?高手进来帮我写理由一下QUQ going,to,the,they,are,sell,poor,raise,to,food,money,for(连词成句） We are going to buy M food for picnic.对“M food”提问 怎么写 They are going to meet （at the food stall at four).(对括号部分提问） what are your family members like 请翻译, 以"the ways to keep healthy"为题目写一篇英语作文 字数70个左右需写内容如下.三要：1.多吃水果蔬菜2.晚上睡眠不少于8小时3.多运动五不要：不要吃含脂肪太多的食品、不要喝太多咖啡、不要工作 我写篇英语作文,The ways to keep healthy.帮我写篇英语作文.名字The ways to keep healthy.提示1...我写篇英语作文,The ways to keep healthy.帮我写篇英语作文.名字The ways to keep healthy.提示1,人人都想保持健康.2 英语作文ways to keep healthy请帮忙写篇英语作文,谢谢.要具体的，拜托了。 my future is FBI.(英语作文）